InMotion WS3195 Wheel Seal - Rear

Rear Differential Pinion Seal for Ford and Mercury

InMotion WS3195 is a nitrile wheel seal built to create a secure barrier at the rear differential pinion area. It helps keep moisture and road debris out while helping retain lubricant inside the housing for stable differential operation.

With fitment for Ford Bronco, F-150, E-Series vans, LTD, Thunderbird, and select Mercury and Lincoln rear applications, WS3195 is a direct-service sealing component for vehicles using the listed axle and ring gear configurations.

Key Features

• Nitrile seal material for dependable sealing performance
• Inside diameter: 1.875 in.
• Outside diameter: 3.146 in.
• Width: 0.93 in.
• Shaft diameter: 1.875 in.
• Housing bore: 3.15 in.
• Part number: WS3195

Fitment Details

• Fits 1983-1986 Ford Bronco, rear, with 9in Ring Gear
• Fits 1978-1982 Ford Bronco, rear
• Fits 1983-1986 Ford E-150 Econoline, rear, with 9in Ring Gear
• Fits 1975-1979 Ford E-150 Econoline, rear, with 9in Ring Gear
• Fits 1983-1986 Ford E-150 Econoline Club Wagon, rear, with 9in Ring Gear
• Fits 1980-1982 Ford E-150 Econoline, rear
• Fits 1980-1982 Ford E-150 Econoline Club Wagon, rear
• Fits 1983-1986 Ford F-150, rear, with 9in Ring Gear
• Fits 1980-1982 Ford F-150, rear
• Fits 1975-1979 Ford F-150, rear, with 2,900lb Axle(s)
• Fits 1980-1983 Ford F-100, rear, with 3,750lb Axle(s)
• Fits 1974-1979 Ford F-100, rear, with 2,900lb Axle(s)
• Fits 1983 Ford E-100 Econoline, rear, with 9in Ring Gear
• Fits 1978-1979 Ford E-100 Econoline, rear, with 9in Ring Gear
• Fits 1974-1975 Ford E-100 Econoline, rear, with 9in Ring Gear
• Fits 1983 Ford E-100 Econoline Club Wagon, rear, with 9in Ring Gear
• Fits 1975-1979 Ford E-100 Econoline Club Wagon, rear, with 2,900lb Axle(s)
• Fits 1975-1979 Ford E-150 Econoline Club Wagon, rear, with 2,900lb Axle(s)
• Fits 1974-1979 Ford LTD, rear, with 9in Ring Gear
• Fits 1975-1979 Ford Thunderbird, rear
• Fits 1974 Ford Thunderbird, rear, with Drum Rear Brakes
• Fits 1974-1979 Mercury Cougar, rear, with 2,900lb Axle(s)
• Fits 1975-1979 Mercury Grand Marquis, rear, with 9in Ring Gear
• Fits 1974-1979 Mercury Marquis, rear, with 9in Ring Gear
• Fits 1976-1977 Ford E-100 Econoline, rear, with 8.375in Ring Gear
• Fits 1975-1976 Lincoln Continental, rear
• Fits 1974-1976 Mercury Montego, rear, with 2,900lb Axle(s)
• Fits 1974 Lincoln Continental, rear, with Drum Brakes
• Fits 1974 Mercury Colony Park, rear, with 9in Ring Gear

What This Seal Helps Address

• Rear differential fluid seepage at the pinion area
• Contamination from dirt, water, and road debris entering the housing
• Wear caused by compromised sealing surfaces
• Service issues on Ford F-150, Bronco, and E-Series rear axle assemblies
• Seal replacement needs during differential maintenance

Installation Notes and Tips

Confirm the axle and ring gear configuration before installation, especially on Ford Bronco, F-150, and E-Series applications. Inspect the pinion shaft and housing bore for wear or scoring, and replace the seal only after the sealing surfaces are clean and dry. Proper alignment during installation helps the nitrile lip seat evenly and maintain a consistent seal.

For search and catalog reference, this part number is WS3195. It is also commonly searched as a rear differential pinion seal for Ford and Mercury rear axle service.

Quality Assurance

InMotion manufactures this seal with precision and high-quality materials to support reliable differential sealing. The nitrile construction is selected for sealing performance in driveline service, helping protect internal components from contamination and lubricant loss.